Home / 610,070,609.09-841,989,468.56-372,053,879.34

Finding the Fourth Proportional to 610,070,609.09, 841,989,468.56 and 372,053,879.34

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Solution

The fourth proportional to 610,070,609.09, 841,989,468.56 and 372,053,879.34 is: 513,490,477.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,070,609.09 : 841,989,468.56 = 372,053,879.34 : x
  2. Step 2: Convert to fraction form
    610,070,609.09/841,989,468.56 = 372,053,879.34/x
  3. Step 3: Cross multiply
    610,070,609.09x = 841,989,468.56 × 372,053,879.34
  4. Step 4: Simplify right side
    610,070,609.09x = 313,265,448,139,312,640
  5. Step 5: Solve for x
    x = 313,265,448,139,312,640/610,070,609.09
  6. Step 6: Final answer
    x = 513,490,477.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.